Question

If temperature of water is lowered from 4°C to 3°C, its volume ...............

(a) increases (b) decreases

(c) remains the same (d) fluctuates
full explaination​

Answer 1

Answer:

Question:

If temperature of water is lowered from 4°C to 3°C, its volume ...............

(a) increases (b) decreases

(c) remains the same (d) fluctuates

full explaination

Answer:

decreases

option b

Explanation:

When water is heated from 0 °C, its volume decreases because its density increases and you can see this effect upto 4 °C. Because the density of ice is maximum at 4 0C. Afterwards as the density decreases the volume increases. [The main reason for this is hydrogen bond in ice gets cleaved due to the melting of ice.]

Answer 2

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• B. Decreases

• As the temperature increases, volumes of most of the liquids also increases and when the volume increases density decreases. Similarly, when temperature decreases, the volume of most liquids decreases which increases the density. However, water shows anomalous behaviour. Water has maximum volume at 4-degree Celsius and maximum density at 4-degree Celsius.

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